The Flex vs DDSTRETCHING
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Flex
Stay updated with studio news and schedules. Receive timely notifications about changes and special offers. Manage your fitness journey with ease.
- Studio news updates
- Schedule tracking
- Timely notifications
- Special offers
- Information on changes
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С помощью приложения вы можете следить за новостями, расписанием студии, оперативно получать информацию об изменениях в расписании и специальных предложениях
DDSTRETCHING
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Мобильное приложение для клиентов фитнес-клубов и спортивных студий. В приложении клиенты смогут: — Посмотреть актуальное расписание тренировок; — Записаться на групповые тренировки; — Получать PUSH-уведомления о предстоящей тренировке за 3 часа; — Узнать срок действия абонементов и услуг; — Знакомиться с акциями и выгодными предложениями.
Screenshots
Verdict
The Flex and DDSTRETCHING are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.
| Parameter | The Flex | DDSTRETCHING |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (47 ratings) — better | — |
| Positive reviews | 43.4% of reviews | — |
| Number of ratings | 47 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | ООО «ФЛЕКС ИРКУТСК» | Fitbase |
Bugs and requests
The Flex
Reported bugs
15 issues- App is disabled/not working
- Login errors
- Cannot authorize in app
- App crashes frequently
- Error 1019 when booking
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- Error 1031 when cancelling
- Error 'Something went wrong'
- Cannot book or cancel sessions
- Personal cabinet not loading
- App is slow and lags
- Cannot add to calendar
- Personal cabinet errors (freezing, etc.)
- WhatsApp login issues (code not arriving)
- Application is disconnected
- All training sessions deleted if one is missed
Requested features
15 requests- Add ability to see number of people in queue
- Add ability to see available spots in schedule
- Return website functionality
- Improve schedule visibility (color coding, booking marks)
- Allow booking more than 6 sessions
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- Add ability to cancel sessions closer to start time
- Add ability to rate trainers
- Add ability to see price for master classes
- Add ability to leave trainer reviews
- Add ability to freeze membership via app
- Add option to filter by available spots
- Add quick access to schedule
- Add option to disable promotional notifications
- Improve error handling messages
- Add ability to book massage directly
DDSTRETCHING
Not enough reviews yet to summarise bugs or requests.
In-app purchases
The Flex
No in-app purchases
DDSTRETCHING
No in-app purchases
